APA

Johnson C. W., Evans L. A. & Snibbe J. R. (1975). Basic psychopathology: a programed text. New York: Spectrum Publications : distributed by Halsted Press.

Chicago

Johnson C Warner, Evans Leonard A and Snibbe John R. 1975. Basic psychopathology: a programed text. New York: Spectrum Publications : distributed by Halsted Press.

Harvard

Johnson C. W., Evans L. A. and Snibbe J. R. (1975). Basic psychopathology: a programed text. New York: Spectrum Publications : distributed by Halsted Press.

MLA

Johnson C Warner, Evans Leonard A and Snibbe John R. Basic psychopathology: a programed text. New York: Spectrum Publications : distributed by Halsted Press. 1975.